// OFFIS Automation Framework
// Copyright (C) 2013-2018 OFFIS e.V.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

#ifndef FILTERWIDGET_H
#define FILTERWIDGET_H

#include <QFrame>
#include <QMouseEvent>

namespace Ui
{
class FilterWidget;
}

class OlvisInterface;
struct FilterInfo;

class FilterPortWidget;

#include <core/FilterTypeInfo.h>

class FilterWidget : public QFrame
{
    Q_OBJECT

public:
    explicit FilterWidget(const FilterInfo &info, QWidget *parent = 0);
    ~FilterWidget();
    int filterId() const { return mFilterId; }
    const QString &filterType() { return mFilterType; }

    void showError(const QString &msg);
    void clearError();

    void setPortVisibility(int visibility);

signals:
    void renameRequested(int id, const QString &newName);
    void deleteRequest(int id);
    void selected(int id);
    void newPortValue(int filterId, const QString &portId, const QVariant &value);
    void startConnect(FilterPortWidget *start);
    void startDisconnect(FilterPortWidget *target);

private slots:
    void onFilterRename(const FilterInfo &info);

    void on_actionDeleteFilter_triggered();
    void on_actionRename_triggered();
    void on_name_returnPressed();
    void on_name_editingFinished();
    void on_name_doubleClicked();

protected:
    void mousePressEvent(QMouseEvent *);
    void mouseMoveEvent(QMouseEvent *);
    void showMenu(const QPoint &pos);
    void startRename();
    void endRename();

private:
    Ui::FilterWidget *ui;
    QPoint mDragStartPos;
    int mFilterId;
    QString mFilterType, mName, mDescription;
};

#endif // FILTERWIDGET_H
